Math302 test 1 - Study guides, Class notes & Summaries

1. Question: "Number of times per week" is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. 2. Question: What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determ...

MATH302 Week 1 Test 1 Critique

1. Question: "Number of times per week" is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. 2. Question: What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determ...

MATH302 Questions and Answers | Latest Update | Graded A+ **Which of the following describes the degrees of freedom for a test of independence?** - It is equal to the sample size minus one. **An experiment with k = 4 and n = 100 yields an F Statistic of 4.72. At α = 0.01, should the null hypothesis be rejected?** - Yes **Students evaluate their class experience on a 1-4 scale. Mr. Goodman wants to know if his evaluations differ significantly from the History Department's. He fi...

MATH302 Week 1 Test 1 Critique

MATH302 Week 1 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+. Question number 1 A Lake Tahoe Community College instructor is interested in the mean number of days Lake Tahoe Community College math students are absent from class during a quarter. X = number of days a Lake Tahoe Community College math student is absent The instructor’s sample produces a mean number of days absent of 3.5 days. This value is an example of a: variable statistic data parameter Correct Question nu...

MATH302 Week 4 TEST COMPLETE QUESTIONS AND ANSWERS 2023 GRADED A+. Part 1 of 6 - Calculations of Probabilities Questions 1.0/ 3.0 Points Question 1 of 20 Find the area under the standard normal distribution to the left of z = -1.35. Round answer to 4 decimal places. 0.0/ 1.0 Points Answer: 0.9114 Answer Key: 0.0885 Feedback: In Excel, =NORM.S.DIST(-1.35,TRUE) Question 2 of 20 Find P(Z ≤ 2.76). Round answer to 4 decimal places. Answer: 0.9971 1.0/ 1.0 Points Answer Key: 0.9971 Feed...

1. Question: "Number of times per week" is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. 2. Question: What is the sampling method used in the following scenario? The barista at a local Starbucks wants to determ...

MATH302 WEEK 7 TEST Part 1 of 7 - Linear Regression and Correlation; Outliers and Values of Correlation 2.0/ 2.0 Points Question 1 of 20 1.0/ 1.0 Points The least squares regression line for a data set is yˆ=5+0.3x and the standard deviation of the residuals is 0.52. Does a case with the values x = -1.59, y = 5.78 qualify as an outlier?  A. Cannot be determined with the given information  B. No  C. Yes Answer Key: C Feedback: Plug in -1.59 for x. y = 5 + .3*-1.59 ...

MATH302 WEEK 6 TEST 9/20/2020 APUS CLE : MATH302 I004 Sum 20 : Tests & Quizzes 1.0/ 1.0 Points Return to Assessment List Part 1 of 7 - Matched or Paired Samples Questions 2.0/ 2.0 Points Question 1 of 20 A manager wants to see if it is worth going back for an MBA degree. They randomly sample 18 managers' salaries before and after undertaking a MBA degree and record their salaries in thousands of dollars. Assume Salaries are normally distributed. Test the claim that the MBA degree, on...